Search a number
-
+
90670916 = 2275361099
BaseRepresentation
bin1010110011110…
…00011101000100
320022121120010002
411121320131010
5141202432131
612555220432
72150455460
oct531703504
9208546102
1090670916
11471aa446
1226447718
1315a2843b
14c0834a0
157e606cb
hex5678744

90670916 has 24 divisors (see below), whose sum is σ = 184766400. Its totient is φ = 38125152.

The previous prime is 90670903. The next prime is 90670927. The reversal of 90670916 is 61907609.

It is a self number, because there is not a number n which added to its sum of digits gives 90670916.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29066 + ... + 32033.

It is an arithmetic number, because the mean of its divisors is an integer number (7698600).

Almost surely, 290670916 is an apocalyptic number.

It is an amenable number.

90670916 is an abundant number, since it is smaller than the sum of its proper divisors (94095484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90670916 is a wasteful number, since it uses less digits than its factorization.

90670916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61163 (or 61161 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 90670916 is about 9522.1277034075. The cubic root of 90670916 is about 449.2512916181.

The spelling of 90670916 in words is "ninety million, six hundred seventy thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 61099 122198 244396 427693 855386 1710772 3238247 6476494 12952988 22667729 45335458 90670916